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STEM Toys for Kids

CircuitMess kits empower kids to explore the world of electronics, coding, and robotics through fun, hands-on projects. They'll build real working devices, like retro game consoles and practical robots, while developing valuable skills and creating something new.

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    new
    Beep Boop Kirin
    28 left

    Beep Boop Kirin

    Inventor Beep Boop - your digital pet for techy mini-games

    $39.00
    -26%
    new
    Beep Boop Bundle
    18 left

    Beep Boop Bundle

    Get all four Beep Boops for a special price

    Number of projectsx4
    $115.00
    $156.00-26%
    -26%
    exclusive
    Wacky Universe Bundle
    12 left

    Wacky Universe Bundle

    Includes retro console Bit, all 15 Wacky Robots, and 20+ unique games

    Number of projectsx16
    $769.00
    $1,044.00-26%
    new
    Bit 2.0
    12 left

    Bit 2.0

    Learn electronics and programming with this must-have DIY retro console

    $79.00
    Bob
    11 left

    Bob

    Create a robot that lights up and unlock a new game for your Bit

    $49.00
    Charlie
    22 left

    Charlie

    Build & control your own robot spider, plus unlock a unique Bit game

    $89.00
    new
    Codee 2.0
    33 left

    Codee 2.0

    Build, code & care for your virtual pet, plus get 6 unique games

    $79.00
    Sparkly
    10 left

    Sparkly

    Build a car that reacts to lights and unlock a unique Bit game

    $89.00
    Mr. Bee
    7 left

    Mr. Bee

    Explore vibration motors, build a robot bee, and unlock a new Bit game

    $49.00
    Robby
    10 left

    Robby

    Robby teaches sensors & electronics, plus unlocks a game for your Bit

    $49.00
    -23%
    bestseller
    Wacky Friends Bundle
    9 left

    Wacky Friends Bundle

    Includes retro console Bit, 9 Mini-Bots, and 10+ unique games

    Number of projectsx10
    $399.00
    $520.00-23%
    Harald
    9 left

    Harald

    Build your own Bluetooth speaker and unlock a new Bit game

    $89.00
    -26%
    new
    Wacky Adventure Bundle
    10 left

    Wacky Adventure Bundle

    Includes retro console Bit, 6 Wacky Robots, and 9 unique games

    Number of projectsx7
    $449.00
    $603.00-26%
    Buttons
    24 left

    Buttons

    Explore electronics & create sound, plus unlock a unique game for Bit

    $49.00
    Resistron
    20 left

    Resistron

    Build circuits, learn about LEDs, and unlock a unique Bit game

    $49.00
    Capacitron
    10 left

    Capacitron

    Learn about capacitors & LEDs, and unlock a unique game for Bit

    $49.00
    Hertz
    11 left

    Hertz

    Hertz teaches sound & oscillation, and unlocks a unique Bit game

    $49.00
    Dusty
    16 left

    Dusty

    Build your own robot & learn about photoresistors, plus get a Bit game

    $89.00
    Marv
    12 left

    Marv

    Build Marv, learn pushbuttons & counters, plus unlock a new Bit game

    $49.00
    Artemis
    11 left

    Artemis

    Learn about decade counters & potentiometers, plus get a Bit game

    $49.00
    Planck
    17 left

    Planck

    Build a robot van & learn about voltage regulators, plus get a Bit game

    $89.00
    Silicone Work Mat
    15 left

    Silicone Work Mat

    Upgrade your workspace with our heat-resistant mat (9.45' x 8.27')

    $19.00
    Protective Goggles
    Low Stock

    Protective Goggles

    Get that scientist look & stay safe while working with electronics

    $15.00

    Beep Boops are here! Get yours before they sell out!

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For orders over $96

LIFETIME SUPPORT

Reach out if you need help with your build

MADE IN EU

Designed & produced in EU by tech experts

SECURE PAYMENT

100% safe - PayPal, debit, or credit card

GLOBALLY RECOGNIZED

Over 100.000 STEM kits sold

Over 100,000 kits sold. Recommended by STEM educators.

Join a thriving community of young makers and curious minds who are learning with STEM kits, exploring real-world skills, and building exciting tech projects. Discover why parents consider CircuitMess among the best STEM toys for kids and what they have to say about their experience:

Image for Wacky Universe Bundle review

We can't wait for the next project!

My kids, nieces and nephews hardly ever interact with each other but building CircuitMess project brought the whole family closer. It was the most rewarding experience I've ever had with these wonderful kids.

Wacky Universe Bundle

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Image for Wacky Adventure Bundle review

A fun way to set kids up for future success

I got the Wacky Robots kit for my kids, and I couldn’t be happier with the results. They’re having so much fun building and experimenting, but what really amazes me is how much they’re learning. These kits are teaching them real life skills, things that will help them in school and, down the line, help them in their careers.

Wacky Adventure Bundle

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Image for Wacky Friends review

Brilliant STEM kits for kids

We have recently bought the CircuitMess Bit along with 9 different mini robots to replace another known STEM brand. The difference is night and day. CircuitMess provides fun projects for kids to actually enjoy.

Wacky Friends Bundle

Learn More
Image for Bit review

A fun way to set kids up for future success

I wasn’t expecting much more than a fun activity when I got this for my kids, but it turned out to be so much more. They’re not just playing - these kits are educating them and building a foundation for something bigger.This is more than just a toy; it’s an investment in their future.

Image for Harald review

Best gift I Ever Gave to My Family

The Wacky Robots set was the perfect gift for my brother-in-law's family. Everyone was delighted. With clear instructions and unique details, it provided an engaging and educational activity for all of us to enjoy together.

Have questions?
Check out our FAQs!

STEM toys are educational toys designed to teach concepts from Science, Technology, Engineering, and Mathematics in a fun, hands-on way.They help kids learn by turning abstract ideas into tangible experiences. Instead of just reading about a concept, a child gets to build, create, or interact with it. This active learning process helps develop crucial skills like problem-solving, creativity, and critical thinking. For example, a CircuitMess toy like Bit isn't just a game console; it's a playful introduction to cause-and-effect and basic robotics, teaching valuable lessons through interactive play.

The best STEM kits for kids are those that spark curiosity and match a child’s interests without causing frustration. They should be engaging, age-appropriate, and provide a fun sense of accomplishment. Great kits often focus on a specific passion, like music, gaming, or robotics. For younger children, ready-to-play options are fantastic. For instance, CircuitMess created Beep Boop, a collectible digital pet, which introduces kids to robotics and character interaction right out of the box, making it one of the best choices for a first STEM toy.

While some complex building kits with many small parts are better for older kids and teens, many STEM kits are designed specifically for young children. The key is to look for kits with larger, easier-to-handle components or ready-to-play experiences that introduce STEM concepts without requiring intricate assembly. CircuitMess understands this distinction, offering advanced building kits for teens, but also creating products like Beep Boop which require no building, making the fun of interactive technology accessible and safe for kids as young as four.

To choose the right STEM toy, start with your child’s passions. If they love animals and collectibles, a robot like CircuitMess Hertz is a perfect fit. If they are obsessed with video games, a DIY console would be more engaging. Consider their age and patience level; younger children often do best with ready-to-play toys that offer immediate interaction, while older kids might enjoy the challenge of a building kit. The right STEM toy feels less like a lesson and more like an exciting new way to explore their favorite things.

We have two product lines. One is for kids, and it includes STEM toys for ages 7+. The other product is for teens & adults. It consists of products for ages 11+, 14+, as well as more advanced kits for adults.

You will learn all the essential STEM skills that could define your future. You'll learn everything from electronics and robotics to coding and problem-solving.

We ship worldwide - you can get a kit no matter where you are in the world. You get a free tracked shipping for orders over $99. For orders below $99 shipping fee starts at $15. Your packages will be shipped from the EU, and if you have any questions about import charges, please check this. Within EU, You get a free tracked shipping for orders over $99. For orders below $99 shipping fee starts at $8.

You can access anatomy, build, coding, and usage guides on our learning platform, CircuitMess Resources, under the Guides section. All our projects are open-source, and additional product details are available on our GitHub repository. If you still can't find the answer you're looking for, you can always reach out to us at contact@circuitmess.com, and we'll be happy to help!

Yes, CircuitMess products designed for young kids are made with safety as a top priority. For example, Beep Boop is a ready-to-play toy that requires no building, soldering, or handling of small electronic components, making it perfectly safe for children aged 4 and up. The materials are durable and designed to withstand play. For the more advanced building kits intended for older kids and teens, all components meet rigorous safety standards, and the included guides provide clear instructions for safe assembly.